All Developer Utilities
Search and filter our complete suite of 46 offline, client-side tools.
Safely encode special characters to HTML entities or decode them.
Safely encode special characters for query strings and URLs.
Convert images to Base64 data URIs for embedding in HTML/CSS.
Convert images client-side between standard formats (PNG, JPEG, WebP, GIF, BMP).
Convert vector SVG XML code or files to rasterized PNG or JPEG formats.
Convert standard images into multi-resolution .ico favicon files locally.
Compress and optimize images locally to reduce file sizes.
Combine two images side-by-side or stacked with custom spacing and alignment.
Format and beautify HTML documents with custom indentation levels.
Decode Base64 strings back into their original binary files (PDF, PNG, ZIP, etc.) locally.
Generate modern CSS backdrop-filter glassmorphism and box-shadow styles with a live preview.
Live interactive HTML viewer and previewer with sandbox isolation.
Web & Frontend Development Utilities
Optimized tools for frontend engineers and web developers. Easily encode/decode URL query parameters, escape HTML entities for secure output, minify/beautify JS and CSS styles, and encode image assets directly into Base64 data URIs for inline CSS/HTML usage.
These tools speed up page load optimization and formatting tasks while keeping source code assets secure on your device.
Key Features
- •URL Encoder & Decoder: Properly sanitize special characters in query strings.
- •HTML Entity Tool: Avoid XSS attacks by encoding characters like <, >, and &.
- •CSS/JS Minification: Shrink file sizes to improve website load times and performance.
- •Image to Base64: Generate data URLs for images to embed assets directly in stylesheets.